Fire pump refers to the clear water pump used for fire water supply

The integrated electric fire pump unit combines system integration with intelligent control, offering high efficiency, safety, energy savings, and easy maintenance—ideal for high-rise buildings, industrial facilities, and modern fire protection systems.

The fire pump is a high-tech product, which is characterized by high efficiency, fast pumping speed, very strong sealing, and low leakage, which can also be said to be no leakage. The use of fire pumps is very extensive, of course, the most important one is used in the fire protection industry, it is also used in water treatment, environmental protection industry and so on. Among these uses, the fire protection industry uses the most. The fire protection industry makes full use of the advantages of fire pumps, which is the advantage of fast pumping. Because most of the work in the fire protection industry is to extinguish fires, the fire pump plays a very important role. Fire pumps are not just used in the firefighting industry. Fire pumps are also used in many other places. In larger industries, such as industry, as well as urban water supply and drainage, and water transportation for the construction of high-rise buildings, there is also water delivery over relatively long distances. There are also smaller industries, such as heating and boilers.

High quality and low price fire pump, factory direct sales, professional production and sales team, actively and properly solve customer feedback after-sales problems.

Water hammer in fire pump systems with high flow rates is mitigated by incorporating surge suppressors, check valves, and properly designed piping configurations. These measures prevent sudden pressure changes and protect pump components.

This is a set of EDJ fire pump set, which consists of electric pump + diesel pump + jockey pump. The three pumps are automatically started and stopped. When the joceky pump detects that the electric pump cannot operate normally, the diesel engine pump will start automatically. Can also be used, the fire pump set is widely used in various emergency firefighting occasions.

The fire pump is designed to divert water when a fire is detected by the sprinkler system or other fire-detection device. The pump will then draw water from the water supply source and deliver it to the sprinkler system, fire hoses, or other fire suppression devices.

Fire pumps are not always running; they typically start automatically when a drop in water pressure is detected in the fire protection system.

1.Flow：30-9000 GPM
2.Head： 3-20 Bar 40-300 psi
3.Power：Diesel & Electric Pump:1.5-710kw Jockey Pump:0.55-160kw
4.Speed：740-2900 r/min
The EDJ Fire Pump Set is a powerful and reliable firefighting equipment designed for fire suppression and emergency rescue operations. It boasts high-performance capabilities in water extraction and pressure delivery, enabling rapid supply of large volumes of water.

1. Electric fire pump: various end suction pumps and split pumps.
2. jockey pump: vertical, small flow, higher lift than electric or diesel pumps.
3. Control panel: Automatically control the water pump with overload and overcurrent protection.
4. Accessories: suction pipe, discharge pipe with flange, battery, gate valve, check valve, flexible expansion joint, pressure switch, pressure gauge, base, etc

Operation of complete fire pump:
1. Design general packaging that meets the national standard, meet customer needs, standard loading and unloading transportation;
2. All products are tested before leaving the factory to ensure that there are no quality problems;
3. Actively and properly solve the after-sales problems reported by customers;
4. The price is reasonable and does not cater to customers with ultra-low prices.

1.Flow：30-9000 GPM
2.Head： 3-20 Bar 40-300 psi
3.Power：Diesel & Electric Pump:1.5-710kw Jockey Pump:0.55-160kw
4.Speed：740-2900 r/min
The EDJ Diesel Engine Fire Pump System is a powerful and reliable firefighting equipment designed for fire suppression and emergency rescue operations. It boasts high-performance capabilities in water extraction and pressure delivery, enabling rapid supply of large volumes of water. The system operates independently, ensuring its reliability even in challenging situations.

Eliminating fire pump faults promptly is crucial to ensure the fire pump’s reliability and effectiveness during emergency situations. Here are some measures to address fire pump faults effectively:

Discover essential fire pump maintenance practices to improve reliability, extend lifespan, and ensure code compliance in your fire protection system.

The diesel engine fire pump is suitable for unmanned emergency water supply system. The product has the characteristics of good technology, high degree of automation, high performance and protection function, reasonable structure, easy installation, and high cost -effectiveness. Supplement the pressure of the network.

The fire pump refers to a clean water pump used for fire water supply, and a single pump that handles medium temperature below 80 degrees and is not corrosive. The pump set is the joint operation of multiple fire pumps to ensure the quantity and stability of the water supply. The electric motor fire pump group adopts multiple fire pumps powered by electric motors. The general fire water supply environment is equipped with one electric and one diesel fire pump as the reserve water pump to ensure sufficient emergency water consumption. The main components of the electric motor fire pump group are the motor and the pump body. The subdivision of the pump body is the pump casing, the impeller, the pump shaft, the bearing, the coupling, the sealing form, the lifting pipe, etc. The specific fire pump model is determined according to the environment and performance requirements. According to the material quotation required by the customer, accurate selection is beneficial to on-site use and reduces failure problems.

EDJ fire pump set is our main product, the conventional electric pump is the main pump, the diesel engine pump is the backup pump, and the voltage stabilizer pump plays a role in the stabilization of the whole system. When the electric pump fails or the mains is cut off, The control cabinet will receive the signal from the electric contact pressure gauge and start the diesel engine pump within 5 seconds, and reach the rated working condition within 20 seconds to ensure the normal operation of the fire extinguishing work.

The box-type fire pump set can be used outdoors, without the need to build an additional pump room, saving costs, small footprint.There is a complete set of standard EDJ fire pump set in the box, which is composed of electric pump, diesel pump and stabilized pump, equipped with control cabinet, which is more convenient to use.

A fully integrated diesel fire pump system from fuel tank to pump body, designed for rapid emergency response—ideal for high-rise buildings, ports, and unattended fire protection scenarios.

Yes, fire pumps can be installed outdoors if housed in a weatherproof enclosure that protects them from the elements and maintains the appropriate operating conditions.

Vertical long shaft pumps deliver high head, continuous performance, and corrosion resistance, making them ideal for petrochemical, power plant, and port applications. Perfect for deep well supply, cooling circulation, and fire protection in demanding industrial environments.

UL Standard
Flow：50-3000 GPM
Head： 5-20 Bar (72.5-290 psi)
Speed：740-2900 r/min
Non-UL Standard
Flow：30-9000 GPM
Head： 3-20 Bar (40-300 psi)
Speed：740-2900 r/min

1. Ability to provide a steady and reliable flow of water: Fire pumps are designed to provide a steady and reliable flow of water to the fire suppression system. This ensures that the fire is extinguished quickly and without any damage to the property.

2. High-Pressure Output: Fire pumps can provide a high-pressure output to ensure that the water is able to reach further distances and at higher pressures than would be achievable by a standard water system. This is important in controlling and extinguishing fires, as it allows the water to reach all areas of the fire.

3. Emergency Operation: Fire pumps are designed to be able to operate in the event of a power outage. This ensures that the fire suppression system can still be operational in the event of a power failure. This is especially important in commercial buildings and other areas where power outages can occur.

4. Automatic Activation: Fire pumps are designed to automatically activate in the event of a fire. This ensures that the fire suppression system can be activated quickly and without any manual intervention. This is especially important in the event of a large fire, as it ensures that the system is already in operation before the fire department arrives.

5. Low Maintenance: Fire pumps are designed to be low maintenance, requiring only regular inspections and maintenance to ensure that they are working correctly. This ensures that the fire suppression system is always ready for use and that it can be relied upon in the event of a fire.

Electric motor fire pumps are used in various water environments, not only to meet the general water supply but also to be a good helper for fire water. The electric motor fire pump is manufactured with good structure and workmanship. It has a wide range of performance, and is easy to use and operate for a long time. The motor fire pump is aimed at various fire water environments, so the selection should also be based on the actual demand environment, performance parameters, etc.

First, what’s a water pump? It’s a device used to transport liquid, pressurize the liquid, and make the liquid from the first liquid position to the high liquid position. The first water pump constructed by the Chinese is called” water windmill”. latterly, around 300 BC, the emergence of the” Archimedes screw pump” is more analogous to ultramodern pumps. In addition, the following introductory knowledge points are what you must understand.
1. Centrifugal pump

Centrifugal pump is the most common type of pump. In simple terms, the working principle of centrifugal pump is to rotate the impeller to drive the liquid under the action of centrifugal force. The liquid leaves the impeller and enters the volute. As the inflow passage of the volute gradationally expands, the fluid haste slows down, and the pressure rises continuously, and eventually it’s discharged through the conduit.
2. Impeller
The impeller is one of the main factors in the water pump, and it’s the core element that transmits mechanical energy to the liquid. The impeller is substantially divided into three types open type,semi-open type and closed type. The material conditions for the impeller are high, wear resistance is needed, and the manufacturing process is good.

3. Cavitation

Cavitation is the conformation of numerous bitsy recesses when the liquid connections the liquid under high- speed inflow and pressure, and gradationally expands into grottoes when serious, and cavitation frequently occurs in the impeller and pump covering.

UL Standard
Flow：50-3000 GPM
Head： 5-20 Bar (72.5-290 psi)
Speed：740-2900 r/min
Non-UL Standard
Flow：30-9000 GPM
Head： 3-20 Bar (40-300 psi)
Speed：740-2900 r/min

Scope of application of fire pump set:
1. Industrial plants, automobiles, breweries, pulp and paper, chemicals, pharmaceuticals;
2. Government offices, embassies, military bases, administrative buildings;
3. Commercial buildings, high-rise buildings, hotels, office buildings, warehouses;
4. Various institutions, hospitals, labor camps, sanatoriums, schools;

With the continuous progress of the times, the application of diesel engine fire pumps is becoming more and more extensive. Diesel engine fire pump is a common necessary facility. Only when the fire signal comes, and the electric water pump fails or the power supply is cut off, the diesel engine fire pump will automatically start. The diesel engine fire pump is installed together with the electrical instrument, with complete functions, compact structure, automatic fault alarm, accepting the starting signal, and can automatically complete the starting procedure and run at full load quickly. When the diesel engine fire pump is insufficient in fuel, low battery voltage, and high lubricating oil temperature , enough to ensure that the diesel engine fire pump starts in a low temperature environment, the entire system of the diesel engine fire pump is safe, reliable, and easy to use.

In fire protection systems, noise control is crucial for the operating environment and user comfort. This fire pump is equipped with advanced noise reduction technology, optimizing its pump structure and power system to effectively minimize vibration and noise during operation. With high-precision balancing and premium vibration-damping materials, the equipment maintains a low-noise level while operating efficiently, making it ideal for environments with strict noise requirements, such as commercial buildings, hospitals, residential areas, and office spaces.

Additionally, the fire pump features a highly efficient cooling system, ensuring stable performance during extended operation while further reducing mechanical noise. With its outstanding silent design, this fire pump enhances the working experience for operators, minimizes disturbances to the surrounding environment, and provides a quieter, more efficient fire safety solution.

The EDJ Diesel Engine Fire Pump System is a powerful and reliable firefighting equipment designed for fire suppression and emergency rescue operations. It boasts high-performance capabilities in water extraction and pressure delivery, enabling rapid supply of large volumes of water. The system operates independently, ensuring its reliability even in challenging situations. With its lightweight and portable design, coupled with versatile functionality, the EDJ Diesel Engine Fire Pump System is suitable for various scenarios. Whether you are part of a fire department or an industrial enterprise, the EDJ Diesel Engine Fire Pump System is your indispensable rescue partner.

Key Factors to Consider:
NPSHa vs. NPSHr: The Net Positive Suction Head Available (NPSHa) must always exceed the Net Positive Suction Head Required (NPSHr) to prevent cavitation.
Elevation & Water Source: Pumps drawing from underground tanks or reservoirs need to account for elevation changes and friction losses.
Pipe Sizing & Layout: Use properly sized pipes and minimize bends to reduce suction losses.
Compliance with NFPA 20: Follow recommended practices for suction piping to ensure smooth operation.